Profundulus chimalapensis, a new species of cyprinodontid fish (Cyrpinodontiformes: Profundulidae) from the Coatzacoalcos River, Mexico
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| 格式: | artículo original |
| 状态: | Versión publicada |
| Fecha de Publicación: | 2020 |
| 实物特征: | Profundulus chimalapensis, a new species of cyprinodontid (Cyrpinodontiformes: Profundulidae) from the Coatzacoalcos River, Mexico. Introduction: The Profundulidae family is a representative of the neotropical ichthyofauna of the order Cyprinodontiformes, considered endemic to the Mesoamerican region. It is represented by the genera Tlaloc and Profundulus. Objective: This paper describes a new species, Profundulus chimalapensis sp. nov., endemic to Mexico. Methods: Specimens were collected in the tributaries of the Upper Basin of the Coatzacoalcos River, which were deposited in reference collections. The corresponding body and meristic measurements were obtained, likewise a sample was diafanized and stained for the analysis of its skeletal morphology. Results: The new species differs from its congeners by having the following characters: 13 dorsal fin rays, 16 anal and 15 pectoral rays; dark colored band on the sides; anal fin with a clear distal margin; anterior and posterior margin of the alveolar process of the concave premaxilla; short and wide epiotic processes. Conclusion: A new species of Profundulus with distribution restricted to the Atlantic side of the Isthmus of Tehuantepec is described. |
| País: | Portal de Revistas UCR |
| 机构: | Universidad de Costa Rica |
| Repositorio: | Portal de Revistas UCR |
| 语言: | Español |
| OAI Identifier: | oai:portal.ucr.ac.cr:article/40340 |
| 在线阅读: | https://revistas.ucr.ac.cr/index.php/rbt/article/view/40340 |
| Palabra clave: | Peces, Ictiología, Neotrópico, Sistemática, Taxonomía. Peces Ictiología Neotrópico Sistemática Taxonomía |